CuSgrid.ppi
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SPECIATION
calculationType grid
calculationMethod 1
mainSpecies Cu
xmin 2
xmax 10 # upper pH
ymin -80.0
ymax 0.0
resolution 100 #
PLOT
plotTitle "Cu-S-C-H<sub>2</sub>O<br>(no minerals)"
xtitle pH
ytitle "log <i>f </i>O<sub>2</sub>(g)"
extraText "extratextCuS.dat"
CHEMISTRY
include 'ht1.inc' # standard hunt and track file also works for grid plots
SOLUTION 1
Temp 20
pH 1.8 # set just below lowest pH
units mol/kgw
Cu 1e-1 # total concns
S(6) 1e-1
Na 1e-1 # background electrolyte
Cl 1.032e-1
END
USE solution 1 # loop on last simulation by default
EQUILIBRIUM_PHASES 1
Fix_H+ -<x_axis> NaOH
-force_equality true
O2(g) <y_axis> 0.1
CO2(g) -3.5 1.0 # N.B. no minerals
END
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